Glossary of Terms for TV

Aspect Ratio
Built-in Audio Decoders
Built-In Media Player
Color Resolution
Contrast Ratio
Digital comb filter
Parental control
Picture-in-picture (PIP)
Progressive Scan
Remote Control
Resolution
Screen Size
Tuner

Aspect Ratio

Aspect ratio describes to the proportion of width to height of a projected image.

4:3 Aspect Ratio: This aspect ratio displays almost square images and facilitates an image resolution range between 800 x 600 (SVGA) pixels and 1,024 x 768 (XGA) pixels.

16:9 Aspect Ratio: This aspect ratio displays widescreen images and facilitates an image resolution of 1,366 x 768 pixels.

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Built-in Audio Decoders

Built-in audio decoders convert sound from input to output.

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Built-In Media Player

A built-in media player is a VCR, DVD player, or VCR/DVD combo installed in a television.

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Color Resolution

Color resolution refers to the bits of data used to store information about every pixel in an image. The higher the color resolution, the more color possibilities in an image and the larger the file.

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Contrast Ratio

Contrast ratio compares the brightest area of an image to the darkest area. The higher the contrast ratio, the better the ability to show the subtlest color details.

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Digital comb filter

A digital comb filter sifts through input signal to produce a sharper, more detailed color picture.

Types

2-Line Digital Comb Filter: A 2-line digital comb filter reduces cross-color interference by comparing consecutive lines within a video field.

3-Line Digital Comb Filter: A 3-line digital comb filter reduces color bleeding and dot crawl by comparing three lines within a video field.

3D Digital Comb Filter: A 3D digital comb filter reduces dot crawl and color bleeding by scanning consecutive lines in not only the video field, but also the preceding and following fields.

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Parental control

Parental control gives adult users the ability to use passwords to regulate TV programs available to children.

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Picture-in-picture (PIP)

Picture-in-picture, a feature that allows users to watch two TV programs simultaneously, works by displaying one image in the corner of the other, larger image.

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Progressive Scan

Progressive scan is a technique used to paint an image on the screen one line at a time.

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Remote Control

A remote control is a hand-held keypad used to operate a device from a distance.

Types

Standard Remote Control: This remote control features functions such as channel selection, volume control, and power.

Advanced Remote Control: This remote control operates multiple devices within the same brand.

Universal Remote Control: This remote control operates multiple devices across multiple brands.

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Resolution

Resolution, measured in pixels, describes the quality of an image. The higher the pixel count, the more detail an image will display.

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Screen Size

Screen size is the measure from bottom corner to opposite top corner of the viewable screen of a device.

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Tuner

A tuner receives broadcast signals from an antenna and acts as a channel selector, changing a device to a desired signal or program.

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